ADS-B mops updates & impact on surveillance & broadcast services system (SBSS)

Recent changes to the Automatic Dependent Surveillance - Broadcast (ADS-B) air-interface definition have been approved by RTCA and published in Minimum Operational Performance Standards (MOPS) updates for both ADS-B 1090 Extended Squitter (1090ES) and ADS-B Universal Access Transceiver (UAT) technologies. This paper describes the technical details of the MOPS changes and the change impact on the ADS-B Surveillance and Broadcast Services System (SBSS) ground infrastructure. The paper begins with a discussion of ADS-B applications that were the motivation for the recent ADS-B MOPS updates. Next, a discussion of specific changes to the 1090ES and UAT Message Set is provided, detailing both new and retired data fields. Finally, the impact of these changes on the ADS-B ground infrastructure and data service delivered both to the FAA (ADS-B Reports) and to aircraft with ADS-B receive capability (ADS-B Rebroadcast (ADS-R) and Traffic Information Services - Broadcast (TIS-B)) is described.